link-arg will be prefixed "-Wl," if flavor.uses_cc and not verbatim

Author: azhogin

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -2136,6 +2136,7 @@ fn linker_with_args<'a>(
     add_local_native_libraries(
         cmd,
         sess,
+        flavor,
         archive_builder_builder,
         codegen_results,
         tmpdir,
@@ -2146,6 +2147,7 @@ fn linker_with_args<'a>(
     add_upstream_rust_crates(
         cmd,
         sess,
+        flavor,
         archive_builder_builder,
         codegen_results,
         crate_type,
@@ -2157,6 +2159,7 @@ fn linker_with_args<'a>(
     add_upstream_native_libraries(
         cmd,
         sess,
+        flavor,
         archive_builder_builder,
         codegen_results,
         tmpdir,
@@ -2411,6 +2414,7 @@ fn collect_natvis_visualizers(
 fn add_native_libs_from_crate(
     cmd: &mut dyn Linker,
     sess: &Session,
+    flavor: LinkerFlavor,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     codegen_results: &CodegenResults,
     tmpdir: &Path,
@@ -2522,7 +2526,10 @@ fn add_native_libs_from_crate(
             NativeLibKind::WasmImportModule => {}
             NativeLibKind::LinkArg => {
                 if link_static {
-                    cmd.arg(name);
+                    let need_wrap = flavor.uses_cc() && !verbatim;
+                    let wrapped_arg =
+                        if need_wrap { "-Wl,".to_owned() + name } else { name.to_string() };
+                    cmd.arg(wrapped_arg);
                 }
             }
         }
@@ -2532,6 +2539,7 @@ fn add_native_libs_from_crate(
 fn add_local_native_libraries(
     cmd: &mut dyn Linker,
     sess: &Session,
+    flavor: LinkerFlavor,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     codegen_results: &CodegenResults,
     tmpdir: &Path,
@@ -2557,6 +2565,7 @@ fn add_local_native_libraries(
     add_native_libs_from_crate(
         cmd,
         sess,
+        flavor,
         archive_builder_builder,
         codegen_results,
         tmpdir,
@@ -2572,6 +2581,7 @@ fn add_local_native_libraries(
 fn add_upstream_rust_crates<'a>(
     cmd: &mut dyn Linker,
     sess: &'a Session,
+    flavor: LinkerFlavor,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     codegen_results: &CodegenResults,
     crate_type: CrateType,
@@ -2646,6 +2656,7 @@ fn add_upstream_rust_crates<'a>(
         add_native_libs_from_crate(
             cmd,
             sess,
+            flavor,
             archive_builder_builder,
             codegen_results,
             tmpdir,
@@ -2662,6 +2673,7 @@ fn add_upstream_rust_crates<'a>(
 fn add_upstream_native_libraries(
     cmd: &mut dyn Linker,
     sess: &Session,
+    flavor: LinkerFlavor,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     codegen_results: &CodegenResults,
     tmpdir: &Path,
@@ -2686,6 +2698,7 @@ fn add_upstream_native_libraries(
         add_native_libs_from_crate(
             cmd,
             sess,
+            flavor,
             archive_builder_builder,
             codegen_results,
             tmpdir,

tests/run-make/pass-linker-flags/Makefile

@@ -1,4 +1,6 @@
 include ../tools.mk
 
 all:
-	$(RUSTC) rs.rs -Z unstable-options -l static=l1 -l link-arg=a1 -l static=l2 -l link-arg=a2 -l dylib=d1 -l link-arg=a3 --print link-args | $(CGREP) -e 'l1.*a1.*l2.*a2.*d1.*a3'
+	$(RUSTC) rs.rs -Z unstable-options -C linker-flavor=gnu-cc -l static=l1 -l link-arg=a1 -l static=l2 -l link-arg=a2 -l dylib=d1 -l link-arg=a3 --print link-args | $(CGREP) -e 'l1.*-Wl,a1.*l2.*-Wl,a2.*d1.*-Wl,a3'
+	$(RUSTC) rs.rs -Z unstable-options -C linker-flavor=gnu-cc -l static=l1 -l link-arg:+verbatim=a1 -l static=l2 -l link-arg=a2 -l dylib=d1 -l link-arg=a3 --print link-args | $(CGREP) -e 'l1.*"a1".*l2.*-Wl,a2.*d1.*-Wl,a3'
+	$(RUSTC) rs.rs -Z unstable-options -C linker-flavor=ld -l static=l1 -l link-arg=a1 -l static=l2 -l link-arg=a2 -l dylib=d1 -l link-arg=a3 --print link-args | $(CGREP) -e 'l1.*"a1".*l2.*"a2".*d1.*"a3"'